Computer system with hybrid power distribution
First Claim
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1. A power supply for a computer comprising:
- means for providing power in a direct current (DC) domain from the power supply to a first power consuming component; and
means for providing power in a high frequency alternating current (AC) domain from the power supply to a second power consuming component;
wherein the means for providing power in a high frequency AC domain comprises;
means for converting low frequency AC power into DC power;
means for converting the DC power into high frequency AC power; and
means for providing the high frequency AC power to the second power consuming component.
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Abstract
A power supply for a computer is disclosed. The power supply is capable of providing power in both a DC domain and a high frequency AC domain. A first power consuming component can be coupled to the power supply to receive power in the DC domain, and a second power consuming component can be coupled to the power supply to receive power in the high frequency AC domain.
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Citations
8 Claims
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1. A power supply for a computer comprising:
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means for providing power in a direct current (DC) domain from the power supply to a first power consuming component; and
means for providing power in a high frequency alternating current (AC) domain from the power supply to a second power consuming component;
wherein the means for providing power in a high frequency AC domain comprises;
means for converting low frequency AC power into DC power;
means for converting the DC power into high frequency AC power; and
means for providing the high frequency AC power to the second power consuming component. - View Dependent Claims (2, 3, 4)
means for converting low frequency AC power into DC power;
means for converting the DC power into high frequency AC power;
means for stepping the high frequency AC power down to a lower voltage level;
means for converting the low voltage high frequency AC power to DC power; and
means for providing the DC power to the first power consuming component.
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5. A method for delivering power in a computer to a plurality of power consuming components comprising:
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providing power in a DC domain from a power supply to a first power consuming component; and
providing power in a high frequency AC domain from the power supply to a second power consuming component;
wherein the step of providing power in the high frequency AC domain to the second power consuming component comprises;
converting low frequency AC power into DC power;
converting the DC power into high frequency AC power; and
providing the high frequency AC power to the second power consuming component. - View Dependent Claims (6, 7, 8)
converting low frequency AC power into DC power;
converting the DC power into high frequency AC power;
stepping the high frequency AC power down to a lower voltage level;
converting the low voltage high frequency AC power to DC power; and
providing the DC power to the first power consuming component.
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7. The method of claim 5 wherein the second power consuming component is a voltage regulator that distributes a Vcc voltage to a microprocessor.
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8. The method of claim 7 wherein the voltage regulator comprises:
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a transformer for receiving high frequency AC power at a first voltage and stepping the high frequency AC power down to a lower voltage;
a rectifier for converting the high frequency AC power to a DC domain; and
an output port for providing the DC power to the microprocessor.
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Specification